* ntsec.sgml: Add Pierre's Windows 2003 text.
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@ -1,3 +1,8 @@
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2005-01-29 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
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* install.texinfo: Update setup.exe snapshot URL.
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* ntsec.sgml: Add Pierre's Windows 2003 text.
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2005-01-28 Corinna Vinschen <corinna@vinschen.de>
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2005-01-28 Corinna Vinschen <corinna@vinschen.de>
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* how-using.texinfo: Change text about using shortcuts.
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* how-using.texinfo: Change text about using shortcuts.
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@ -50,6 +50,7 @@ install: all
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cygwin-ug-net.html : cygwin-ug-net.sgml doctool
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cygwin-ug-net.html : cygwin-ug-net.sgml doctool
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-xmlto html-nochunks -m $(srcdir)/cygwin.dsl $<
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-xmlto html-nochunks -m $(srcdir)/cygwin.dsl $<
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-cp cygwin-ug-net.html cygwin-ug-net/cygwin-ug-net-nochunks.html
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-cp cygwin-ug-net.html cygwin-ug-net/cygwin-ug-net-nochunks.html
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-rm -f cygwin-ug-net/cygwin-ug-net-nochunks.html.gz
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-gzip cygwin-ug-net/cygwin-ug-net-nochunks.html
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-gzip cygwin-ug-net/cygwin-ug-net-nochunks.html
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cygwin-ug-net/cygwin-ug-net.html : cygwin-ug-net.sgml doctool
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cygwin-ug-net/cygwin-ug-net.html : cygwin-ug-net.sgml doctool
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@ -13,7 +13,7 @@ that the GUI installer is a "work in progress", so there might be a few
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difficulties, especially if you are behind a firewall or have other
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difficulties, especially if you are behind a firewall or have other
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specific requirements. If something doesn't work right for you, and
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specific requirements. If something doesn't work right for you, and
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it's not covered here or in the latest development snapshot at
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it's not covered here or in the latest development snapshot at
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@file{http://cygwin.com/setup-snapshots/}, then by all means report it to the
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@file{http://cygwin.com/setup/}, then by all means report it to the
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mailing list.
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mailing list.
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For a searchable list of packages that can be installed with Cygwin,
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For a searchable list of packages that can be installed with Cygwin,
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@ -737,21 +737,33 @@ etc.
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Context</title>
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Context</title>
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<para>
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<para>
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Since Cygwin release 1.3.3, applications having the
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Since Cygwin release 1.3.3, applications that are members of the
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<command>Create a process level token</command> user right can switch user
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Administrators group and have the <command>Create a token
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object</command>, <command>Replace a process level token</command> and
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<command>Increase Quota</command> user rights can switch user
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context without giving a password by just calling the usual
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context without giving a password by just calling the usual
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<command>setuid</command>, <command>seteuid</command>,
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<command>setuid</command>, <command>seteuid</command>,
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<command>setgid</command> and <command>setegid</command> functions. This is
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<command>setgid</command> and <command>setegid</command> functions.
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typically only given to the SYSTEM user. However, this now allows to switch
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the user context using e. g. rhosts authentication or (when running sshd
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under SYSTEM account as service) public key authentication.
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</para>
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</para>
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<para>
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<para>
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An important restriction of this method is that a process started under
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On NT and Windows 2000 the <systemitem
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SYSTEM account can't access network shares which require authentication.
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class="username">SYSTEM</systemitem> user has these privileges and can
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This also applies to the subprocesses which switched the user context
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run services such as <command>sshd</command>. However, on Windows 2003
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without a password. People using network home drives are typically not
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<systemitem class="username">SYSTEM</systemitem> lacks the
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able to access it when trying to login using ssh or rsh without password.
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<command>Create a token object</command> right, so it is necessary to
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create a special user with all the necessary rights, as
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well as <command>Logon as a service</command>, to run such services.
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For security reasons this user should be denied the rights to logon
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interactively or over the network. All this is done by configuration
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scripts such as <command>ssh-host-config</command>.
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</para>
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<para>
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An important restriction of this method is that a process started
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without a password cannot access network shares which require
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authentication. This also applies to subprocesses which switched user
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context without a password. Therefore, when using
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<command>ssh</command> or <command>rsh</command> without a password, it
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is typically not possible to access network drives.
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</para>
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</para>
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</sect2>
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</sect2>
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